.study_plan_container {
    height: 100%;
    width: 100%;
    padding: 0 20px;
}

.study_plan {
    height: 100%;
    width: 100%;
    border-top: 1px solid #bcc0cc;
}

.actions {
    margin-top: 10px;
    margin-bottom: 10px;
}

.actions button {
    margin-right: 10px;
}

.study_plan table {
    width: 100%;
    border-collapse: collapse;
}

.study_plan table th,
.study_plan table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

.study_plan table th {
    background-color: #f2f2f2;
}

.study_plan table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.study_plan table tr:hover {
    background-color: #f1f1f1;
}

.action-buttons button {
    margin-right: 8px;
    /* 按钮之间的间隔 */
}

.action-buttons button:last-child {
    margin-right: 0;
    /* 最后一个按钮不需要右边距 */
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    width: 300px;
    text-align: center;
}

.close {
    float: right;
    cursor: pointer;
    font-size: 24px;
}


button {
    padding: 8px 16px;
    margin: 5px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background-color: #007bff;
    color: white;
}

button:hover {
    background-color: #0056b3;
}

input {
    padding: 8px;
}